[INFO] crate rbspy-ruby-structs 0.1.0 is already in cache
[INFO] extracting crate rbspy-ruby-structs 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rbspy-ruby-structs/0.1.0
[INFO] extracting crate rbspy-ruby-structs 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rbspy-ruby-structs/0.1.0
[INFO] validating manifest of rbspy-ruby-structs-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rbspy-ruby-structs-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rbspy-ruby-structs-0.1.0
[INFO] finished frobbing rbspy-ruby-structs-0.1.0
[INFO] frobbed toml for rbspy-ruby-structs-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rbspy-ruby-structs/0.1.0/Cargo.toml
[INFO] started frobbing rbspy-ruby-structs-0.1.0
[INFO] finished frobbing rbspy-ruby-structs-0.1.0
[INFO] frobbed toml for rbspy-ruby-structs-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rbspy-ruby-structs/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rbspy-ruby-structs-0.1.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rbspy-ruby-structs/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 309dc61d67d260e7e4872623f731c42211953b9755dd80d655faf827323fe0bc
[INFO] running `"docker" "start" "-a" "309dc61d67d260e7e4872623f731c42211953b9755dd80d655faf827323fe0bc"`
[INFO] [stderr]    Compiling rbspy-ruby-structs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.91s
[INFO] running `"docker" "inspect" "309dc61d67d260e7e4872623f731c42211953b9755dd80d655faf827323fe0bc"`
[INFO] running `"docker" "rm" "-f" "309dc61d67d260e7e4872623f731c42211953b9755dd80d655faf827323fe0bc"`
[INFO] [stdout] 309dc61d67d260e7e4872623f731c42211953b9755dd80d655faf827323fe0bc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rbspy-ruby-structs/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 20ff1b89901b0bed303ce7415cf90567d5c2d4a01dd2f61c3cd438c7516a482b
[INFO] running `"docker" "start" "-a" "20ff1b89901b0bed303ce7415cf90567d5c2d4a01dd2f61c3cd438c7516a482b"`
[INFO] [stderr]    Compiling rbspy-ruby-structs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: Could not compile `rbspy-ruby-structs`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rbspy_ruby_structs src/lib.rs --color never --emit=dep-info,link -C debuginfo=2 --test -C metadata=d8063d86669852ad -C extra-filename=-d8063d86669852ad --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "20ff1b89901b0bed303ce7415cf90567d5c2d4a01dd2f61c3cd438c7516a482b"`
[INFO] running `"docker" "rm" "-f" "20ff1b89901b0bed303ce7415cf90567d5c2d4a01dd2f61c3cd438c7516a482b"`
[INFO] [stdout] 20ff1b89901b0bed303ce7415cf90567d5c2d4a01dd2f61c3cd438c7516a482b